NLC Technical Quiz 30

Consider a unity feedback system, the open loop transfer function is given as G(s). The percentage overshoot of the system will be:

In a 3-phase semi-converter, for firing of 80° the free-wheeling diode will conduct for:

the common emitter forward current gain of transistor shown is β = 50 .

Assume: (V_BE = 0.7 V, V_CEsat = 0.2 V)

The operating region of the transistor shown in figure will be:

A single phase full bridge converter supplies a load drawing constant and ripple free load current. If the triggering angle is 60^o, the input power factor will be:

What is the maximum speed of 60 Hz alternator?

In a parallel RLC circuit, current in circuit at resonance will be:

Which one of the following statement is incorrect about the Hopkinson’s test which is used to determine the efficiency of D.C. Machines?

In guass-sidel method for load flow Analysis, what is the use of acceleration factor?